[PATCH 5.9 368/757] bus: mhi: core: Fix the building of MHI module

[Greg Kroah-Hartman]

From: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>

[ Upstream commit 5fc4997fd9d065c98fb312ef56ffadffccc6d61d ]

The Kbuild rule to build MHI should use the append operator. This fixes
the below warning reported by Kbuild test bot.

WARNING: modpost: missing MODULE_LICENSE() in
drivers/bus/mhi/core/main.o
WARNING: modpost: missing MODULE_LICENSE() in drivers/bus/mhi/core/pm.o
WARNING: modpost: missing MODULE_LICENSE() in
drivers/bus/mhi/core/boot.o

Fixes: 0cbf260820fa ("bus: mhi: core: Add support for registering MHI controllers")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20200929175218.8178-19-manivannan.sadhasivam@xxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/bus/mhi/core/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/bus/mhi/core/Makefile b/drivers/bus/mhi/core/Makefile
index 66e2700c9032a..bc1469778cf87 100644
--- a/drivers/bus/mhi/core/Makefile
+++ b/drivers/bus/mhi/core/Makefile
@@ -1,3 +1,3 @@
-obj-$(CONFIG_MHI_BUS) := mhi.o
+obj-$(CONFIG_MHI_BUS) += mhi.o
 
 mhi-y := init.o main.o pm.o boot.o
-- 
2.25.1